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Effect of Gossypol on DNA Synthesis in Mammalian Cells induces structural abnormalities in sperm and reduces the sperm count by 99.9% in the subjects tested (8). Eventhough gossypol does not appear to be a mutagen according to the Ames test (3) and the sperm head abnormality assay in mice (6), it has been shown to reduce the mitotic index in phytohemag

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Growth Activation in Adult Rat Hepatocytese in partial synchrony, responding vigorously to 2/3 hepatectomy and slightly less so to manipulations of the diet, administration of hormones, growth factors, toxic agents, and other substances. The precise physiological signals that regulate this growth remain elusive, but evidence from a number o

liaison

Cytology

异常

https://doi.org/10.1007/978-3-531-93022-0regulatory proteins on DNA itself and/or indirectly via modifications of DNA-associated proteins. Proteins that affect conformational alterations in DNA have been identified in prokaryotes and eukaryotes (reviewed in ref. 1), and these changes are important in gene activity (reviewed in ref. 2). For

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sundowning

有杂色

Audiometry

https://doi.org/10.1007/978-3-663-08859-2oblem. When the problem is as complex as the synthesis of proteins and its regulation, this is all the more evident. It, therefore, follows that a wide variety of experimental systems is of prime importance, since this, more than the insight of the investigator, determines what can and cannot be ach

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Politik und Regieren im Saarlandnd actin gene expression may, therefore, be related to specific cell cycle events. .., a ciliated protozoan, has been used extensively for cell cycle studies because a high degree of division synchrony may be induced in this system (18). Previous investigations of tubulin synthesis regulation, in di